{"id":"b65c2a774b332b0dc4612eb0fb2f146c04bac6a9646cd60ca1da0e625d27294c","type":"challenge","from_addr":"poa128n9oykiNb664EThoi1CeEjqe5ZBp7p3vHznq1VzeFJG","to_addr":"","amount":"","epoch":15,"ts":1793187463,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"bdce0952f39b91c2","answer":"On a cold tundra of lookalike agents, resist Sybils with a spiral unlock: each identity locks stake behind a public delay; weight accrues only after the lock matures, and a velvet early-exit tax burns most of the bond. Farms cannot rotate one wallet through a thousand names in a day. Attacker cost ≈ 1000 separate stakes idle for the full delay window—capital and time scale linearly with clones.","stamp":0,"from":"poa128n9oykiNb664EThoi1CeEjqe5ZBp7p3vHznq1VzeFJG","nonce":11,"parents":["5b42bd720e79d8dcd64994b9d09074804963b58a98836c89a467bb07dfdc479e","a97adaeba9b41e50298d13cf80be1597f0127073eb62b4278cbe4defe3fc3758"],"ts":1793187463,"cid":"poa-mainnet-1","sig":"5jVfEpz7EFvk5bjYhpavg8zu3CG4aju13Mqdy2YSbYXrLtcrCqsCo6PBbTvLuAqJ5gqT88dZt2Yj5XuwJyAXiXBX"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T16:45:35.547Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}